| Table of contents Cienc. mar vol.45 n.4 Ensenada Dec. 2019 Articles | | | | · Diet composition and its relation to the characteristics of the digestive tract of the blue sea catfish, Ariopsis guatemalensis (Actinopterygii: Ariidae), in Barra de Navidad Lagoon, Jalisco, Mexico Benítez-Mondragón, Brenda Daniela; Aguilar-Betancourt, Consuelo M; González-Sansón, Gaspar; Lucano-Ramírez, Gabriela; Flores-Ortega, Juan Ramón; Ruiz-Ramírez, Salvador; Kosonoy-Aceves, Daniel
| | | | · Fine-scale site fidelity in California sea lions, Zalophus californianus, in the colony at Los Islotes, La Paz Bay, Mexico Rayas-Estrada, Andrea; Hernández-Camacho, Claudia Janetl
| | | Research notes | | | | · Length-weight relationship and condition factor for 7 loliginid squid species in Mexican waters Granados-Amores, Jasmín; Salinas-Zavala, César Augusto; Flores-Ortega, Juan Ramón; Díaz-Santana-Iturrios, Mariana
| | | | · Elasmobranch species in the artisanal fishery of Sucre State, Venezuela Marquez, Raquel; Tavares, Rafael; Ariza, Luis Alejandro
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